(b) CONCERNING THE SECURITY DEPOSIT:

 (i) The Security Deposit shall be deposited in a designated
 account of the Lessor maintained at the Royal Bank of
 Scotland, New York Branch or such other account in the
 United States as Lessor shall designate in writing.
 Lessor will not hold the Security Deposit as agent or on
 trust for Lessee or in any similar fiduciary capacity.

 (ii) Lessee may provide the Security Deposit in the form of a
 letter of credit, issued by a bank satisfactory to
 Lessor, having a term of no more than one year, and
 otherwise in form and substance (including the
 designation of the presentment location) satisfactory to
 Lessor.

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 (c) CONCERNING THE LETTER OF CREDIT:

 If at any time prior to the Final Expiry Date, the long-term
 unsecured unsubordinated and unguaranteed debt obligations as
 rated by Moody's Investors Services Inc. or Standard & Poor's
 Corporation of the then current bank issuing the letter of
 credit shall be less than A2 and A respectively or shall be on
 creditwatch by either of such agencies, Lessee shall procure
 that the relevant letter of credit is replaced by a letter of
 credit by another bank acceptable to Lessor (in its sole
 discretion).

 5.2 RENTAL PERIODS:

 The Term will be divided into Rental Periods. The first Rental
 Period will commence on the Delivery Date, and each subsequent
 Rental Period will commence on the date succeeding the last day of
 the previous Rental Period. Each Rental Period will end on but
 exclude the numerically corresponding day in the next Month except
 that if a Rental Period would otherwise overrun the Final Expiry
 Date, it will end on the Final Expiry Date.

 5.3 RENT: